White Dwarf Merger Remnants: The DAQ Subclass

White Dwarf Merger Remnants: The DAQ Subclass

Four years after the discovery of a unique DAQ white dwarf with a hydrogen-dominated and carbon-rich atmosphere, we report the discovery of four new DAQ white dwarfs, including two that were not recognized properly in the literature. We find all five DAQs in a relatively narrow mass and temperature...

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Bibliographic Details
Main Authors: Mukremin Kilic, Pierre Bergeron, Simon Blouin, Gracyn Jewett, Warren R. Brown, Adam Moss
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
White dwarf stars
Atmospheric composition
Stellar evolutionary types
Stellar mergers
DQ stars
Online Access:https://doi.org/10.3847/1538-4357/ad3440

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